随身携带式PH计:pH 计测量范围: 0.00-14.00 pH , 分辨率: 0.01 pH, 精度: ±0.03 pH, 温度范围: 5--50 ℃ (ATC) 标定: 二点定位校准标定,6.86pH 及 4.01pH (or 7.0pH 及 4.01pH) 电池: DC 4 x 1.5V PH-900 Mini pH Tester Range: 0.00?14.00 pH, Resolution: 0.01 pH, Accuracy: ±0.03 pH, Temp. C: 5?50℃, (ATC) Calibration: Two-point at 6.86pH and 4.01pH (or 7.0pH and 4.01pH) Battery Life: DC 4 x 1.5V